BioMedical Admissions Test (BMAT) Practice Test 2025 - Free BMAT Practice Questions and Study Guide

Neurons play a crucial role in the nervous system by transmitting electrical impulses, which are essential for communication between different parts of the body. This transmission allows neurons to relay signals, enabling the body to respond quickly to stimuli. When a neuron is activated, it generates an action potential—an electrical charge that travels along its length—and this impulse is passed to adjacent neurons across synapses through neurotransmitters.

This process is fundamental to numerous bodily functions, such as muscle contraction, sensory perception, and cognitive processes. The ability of neurons to rapidly send and receive signals is key to the functioning of reflexes, coordination, and overall responsiveness.

The other functions listed—producing hormones, storing energy, and regulating body temperature—are carried out by different cell types or systems within the body. Hormones are mainly produced by endocrine glands, energy storage is managed by adipose tissues and liver cells, and body temperature regulation is largely the responsibility of the hypothalamus and other physiological mechanisms, not neurons themselves.